1374440443 has 4 divisors (see below), whose sum is σ = 1411587520. Its totient is φ = 1337293368.

The previous prime is 1374440437. The next prime is 1374440453. The reversal of 1374440443 is 3440444731.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1374440443 - 2²⁵ = 1340886011 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1374440399 and 1374440408.

It is not an unprimeable number, because it can be changed into a prime (1374440453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18573483 + ... + 18573556.

It is an arithmetic number, because the mean of its divisors is an integer number (352896880).

Almost surely, 2^1374440443 is an apocalyptic number.

1374440443 is a deficient number, since it is larger than the sum of its proper divisors (37147077).

1374440443 is an equidigital number, since it uses as much as digits as its factorization.

1374440443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37147076.

The product of its (nonzero) digits is 64512, while the sum is 34.

The square root of 1374440443 is about 37073.4466026562. The cubic root of 1374440443 is about 1111.8391831665.

The spelling of 1374440443 in words is "one billion, three hundred seventy-four million, four hundred forty thousand, four hundred forty-three".